Product Description: The handheld barcode scanner comes with a USB port cable, LED, and buzzer indicator light. Comfortable tactile operation, intelligent AGC control, and rich decoding types. Application scope: Supermarkets, convenience stores, warehouses, libraries, bookstores, pharmacies, retail stores, express delivery, ERP, POS, etc. Description: The accuracy of the laser USB barcode scanner has been improved, with a scanning accuracy increase of 30% and a scanning speed of 200 times per second. Working light source: visible light 650-670nm Reading distance: 2.5-600mm (100% UPC/EAN) Printing contrast: 30% min Scanning range: 10mm-250mm USB plug and play It doesn't require a driver, just plug the USB data cable into the USB port of the PC, open applications such as Notepad, place the cursor anywhere you want to input content, and then scan and scan the barcode in the product. The scanner will immediately send the barcode data to the cursor position. be careful: Unable to read any type of QR code, such as QR code, PDF417, etc.